2 * vsp1_entity.h -- R-Car VSP1 Base Entity
4 * Copyright (C) 2013-2014 Renesas Electronics Corporation
6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 #ifndef __VSP1_ENTITY_H__
14 #define __VSP1_ENTITY_H__
16 #include <linux/list.h>
17 #include <linux/spinlock.h>
19 #include <media/v4l2-subdev.h>
25 enum vsp1_entity_type {
37 #define VSP1_ENTITY_MAX_INPUTS 5 /* For the BRU */
40 * struct vsp1_route - Entity routing configuration
41 * @type: Entity type this routing entry is associated with
42 * @index: Entity index this routing entry is associated with
43 * @reg: Output routing configuration register
44 * @inputs: Target node value for each input
46 * Each $vsp1_route entry describes routing configuration for the entity
47 * specified by the entry's @type and @index. @reg indicates the register that
48 * holds output routing configuration for the entity, and the @inputs array
49 * store the target node value for each input of the entity.
52 enum vsp1_entity_type type;
55 unsigned int inputs[VSP1_ENTITY_MAX_INPUTS];
59 * struct vsp1_entity_operations - Entity operations
60 * @destroy: Destroy the entity.
61 * @set_memory: Setup memory buffer access. This operation applies the settings
62 * stored in the rwpf mem field to the display list. Valid for RPF
64 * @configure: Setup the hardware based on the entity state (pipeline, formats,
65 * selection rectangles, ...)
67 struct vsp1_entity_operations {
68 void (*destroy)(struct vsp1_entity *);
69 void (*set_memory)(struct vsp1_entity *, struct vsp1_dl_list *dl);
70 void (*configure)(struct vsp1_entity *, struct vsp1_pipeline *,
71 struct vsp1_dl_list *);
75 struct vsp1_device *vsp1;
77 const struct vsp1_entity_operations *ops;
79 enum vsp1_entity_type type;
81 const struct vsp1_route *route;
83 struct list_head list_dev;
84 struct list_head list_pipe;
86 struct media_pad *pads;
87 unsigned int source_pad;
89 struct media_entity *sink;
90 unsigned int sink_pad;
92 struct v4l2_subdev subdev;
93 struct v4l2_subdev_pad_config *config;
96 static inline struct vsp1_entity *to_vsp1_entity(struct v4l2_subdev *subdev)
98 return container_of(subdev, struct vsp1_entity, subdev);
101 int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
102 const char *name, unsigned int num_pads,
103 const struct v4l2_subdev_ops *ops);
104 void vsp1_entity_destroy(struct vsp1_entity *entity);
106 extern const struct v4l2_subdev_internal_ops vsp1_subdev_internal_ops;
108 int vsp1_entity_link_setup(struct media_entity *entity,
109 const struct media_pad *local,
110 const struct media_pad *remote, u32 flags);
112 struct v4l2_subdev_pad_config *
113 vsp1_entity_get_pad_config(struct vsp1_entity *entity,
114 struct v4l2_subdev_pad_config *cfg,
115 enum v4l2_subdev_format_whence which);
116 struct v4l2_mbus_framefmt *
117 vsp1_entity_get_pad_format(struct vsp1_entity *entity,
118 struct v4l2_subdev_pad_config *cfg,
121 vsp1_entity_get_pad_compose(struct vsp1_entity *entity,
122 struct v4l2_subdev_pad_config *cfg,
124 int vsp1_entity_init_cfg(struct v4l2_subdev *subdev,
125 struct v4l2_subdev_pad_config *cfg);
127 void vsp1_entity_route_setup(struct vsp1_entity *source,
128 struct vsp1_dl_list *dl);
130 int vsp1_subdev_get_pad_format(struct v4l2_subdev *subdev,
131 struct v4l2_subdev_pad_config *cfg,
132 struct v4l2_subdev_format *fmt);
133 int vsp1_subdev_enum_mbus_code(struct v4l2_subdev *subdev,
134 struct v4l2_subdev_pad_config *cfg,
135 struct v4l2_subdev_mbus_code_enum *code,
136 const unsigned int *codes, unsigned int ncodes);
137 int vsp1_subdev_enum_frame_size(struct v4l2_subdev *subdev,
138 struct v4l2_subdev_pad_config *cfg,
139 struct v4l2_subdev_frame_size_enum *fse,
140 unsigned int min_w, unsigned int min_h,
141 unsigned int max_w, unsigned int max_h);
143 #endif /* __VSP1_ENTITY_H__ */